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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 44 (1960)

Issue: 1. (January)

First Page: 129

Last Page: 129

Title: Mississippian Rocks in Northern Oklahoma: ABSTRACT

Author(s): Louise Jordan

Article Type: Meeting abstract


Mississippian rocks divided into series by lithologic criteria and by electric-log character underlie Early or Middle Pennsylvanian rocks in the central part of northern Oklahoma. Osagean rocks, or locally, rocks older than Mississippian, underlie Middle Pennsylvanian strata along the north-trending Central Oklahoma arch which includes the Nemaha ridge on the west, the Oklahoma City uplift at the south, and the Cushing anticline on the east. The arch narrows southward as a result of greater uplift and steeper dip, so that on its west flank, the boundaries of Chesterian and Meramecian units which are beveled by Early and Middle Pennsylvanian erosion trend east and then south toward the Oklahoma City uplift. From the east the boundaries trend southwest and then south on the east side of the uplift.

Chesterian strata thicken toward the Anadarko and McAlester basins. Meramecian rocks rest with angular unconformity on the Osagean unit and both series thicken northward on the east side of the arch.

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